Arsenic

04 Thermal Processing, Implant, Doping & Oxidation

Notation As

Definition

A group-V element commonly used as a donor dopant in silicon, where electrically active arsenic contributes electrons and can produce n-type conductivity when the donor contribution exceeds compensation by acceptors.

Application

Used in ion implantation and junction engineering for heavily doped n-type regions such as source/drain or contact regions, with dose and profile controlled through implantation and annealing.

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Arsenic dopant

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